M,2 would be 160 because it’s the same as m,1.
M,3 would be half im assuming so 160 divided by 2 is 80 so.
M,3 is 80
Answer:
860
Step-by-step explanation:
A non-response bias would mean that there are some non-response surveys, which will create a bias in the survey results. Because the survey didn't include information from those who are not responded.
If there will be 860 surveys back, this would prevent non-response bias
Answer:
3-n=14
Step-by-step explanation less than a number!!! If a number is unkown it would be a variable, a letter,
Answer:
Step-by-step explanation:
price of 1 pen= $ 2
price of 1 pencil= $1
total money spent= $12
Let the number of pen be a and number of pencil be b.
2 a + b = 12 ----------------Equation 1
We have, she bought 3 more pens than pencils
a - b = 3 ------------------ Equation 2
Equation 1 +Equation 2,
2 a + b + a - b = 12 + 3
3a = 15
a = 5
Substituting in equation
5 - b = 3
b = 2
Number pencils Ava bought = 2
Answer:
i worked some of it out
Step-by-step explanation:
1 mile = 5,280ft
1 hour = 8 miles
30 min = 4 miles
15min = 2 miles
7.5 (7min and 30 sec) = 1 mile
3.75(225 sec) =1/2 mile = 2,640ft
0.25(quarter of a mile) = 1,320ft
i just completely lost myself but if this helps then great! sorry if i wasted your time